Which equation represents a linear function? Equation 1: y = 2x2 + 1 Equation 2: y2 = 3x + 1 Equation 3: y = 5x − 1 Equation 4: y = 4x4 − 1

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer

The anwser cause i do not understand just plez

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 46, 19, 38, 27, 12, 38, 51 minimum maximum median upper quartile lower quartile